\documentclass[tikz,border=2mm]{standalone}
\usepackage{array,amsmath,mathptmx,xcolor,bbding,pifont,colortbl}
\usepackage[UTF8]{ctex}
\newcolumntype{C}[1]{>{\centering\let\newline\\\arraybackslash\hspace{0pt}}m{#1}}
% 只需要这个就可以
\usepackage[thicklines]{cancel}
% 可以设置线条颜色，默认是黑色
\usepackage{xcolor}
\usepackage{tikz-cd}
\usepackage{tikz,graphicx,subfig,caption} % Required for drawing custom shapes
\usetikzlibrary{fit,matrix,chains,arrows,shapes,positioning,arrows.meta,chains,shadows,shapes.callouts,decorations.text,shapes.symbols,shapes.misc, positioning,decorations.pathreplacing,calc,backgrounds}

% 额外添加
\usepackage{indentfirst}
\usepackage{diagbox} 
\usepackage{ulem}
\usepackage{cancel}

\begin{document} 
	\begin{tikzpicture}[>=latex,every node/.style={anchor=south west,,inner sep=0,fill=white}]
		\node(lei)[draw, minimum width = 4em, minimum height=2em, inner sep=0.3em, anchor=south, fill=white] at (0em,0em){类};
		\node(zhi)[draw, minimum width = 4em, minimum height=2em, inner sep=0.3em, anchor=west, fill=white] at ([xshift=0em,yshift=0em]lei.east){值};
		\node(note1)[anchor=west, align=left, fill=white] at ([xshift=9em,yshift=-2em]lei.south){语义信息，指向语义信息的指针，如：标识符名\\字、数组维度、上下界、类型等；};
		\node(note2)[anchor=west, align=left, fill=white] at ([xshift=9em,yshift=-5em]lei.south){语法信息，即单词的分类码。};
		\draw[->, densely dashed,](lei.south)|-(note2.west);
		\draw[->, densely dashed,](zhi.south)|-([xshift=0em,yshift=0.85em]note1.west);
	\end{tikzpicture}
\end{document}
